1 /*
2 * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
3 *
4 * This software is open source.
5 * See the bottom of this file for the licence.
6 */
7
8 package org.dom4j.util;
9
10 import org.dom4j.DocumentFactory;
11 import org.dom4j.Element;
12 import org.dom4j.QName;
13
14 /***
15 * <p>
16 * <code>NonLazyDocumentFactory</code> is a factory of XML objects which avoid
17 * using the lazy creation pattern. This results in a slower creation of a
18 * Document and uses more memory but it means that the same Document instance
19 * can be shared across threads provided it is not modified.
20 * </p>
21 *
22 * @author <a href="mailto:jstrachan@apache.org">James Strachan </a>
23 * @version $Revision: 1.9 $
24 */
25 public class NonLazyDocumentFactory extends DocumentFactory {
26 /*** The Singleton instance */
27 protected static transient NonLazyDocumentFactory singleton
28 = new NonLazyDocumentFactory();
29
30 /***
31 * <p>
32 * Access to the singleton instance of this factory.
33 * </p>
34 *
35 * @return the default singleon instance
36 */
37 public static DocumentFactory getInstance() {
38 return singleton;
39 }
40
41 // DocumentFactory methods
42 // -------------------------------------------------------------------------
43 public Element createElement(QName qname) {
44 return new NonLazyElement(qname);
45 }
46 }
47
48 /*
49 * Redistribution and use of this software and associated documentation
50 * ("Software"), with or without modification, are permitted provided that the
51 * following conditions are met:
52 *
53 * 1. Redistributions of source code must retain copyright statements and
54 * notices. Redistributions must also contain a copy of this document.
55 *
56 * 2. Redistributions in binary form must reproduce the above copyright notice,
57 * this list of conditions and the following disclaimer in the documentation
58 * and/or other materials provided with the distribution.
59 *
60 * 3. The name "DOM4J" must not be used to endorse or promote products derived
61 * from this Software without prior written permission of MetaStuff, Ltd. For
62 * written permission, please contact dom4j-info@metastuff.com.
63 *
64 * 4. Products derived from this Software may not be called "DOM4J" nor may
65 * "DOM4J" appear in their names without prior written permission of MetaStuff,
66 * Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.
67 *
68 * 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org
69 *
70 * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND
71 * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
72 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
73 * ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE
74 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
75 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
76 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
77 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
78 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
79 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
80 * POSSIBILITY OF SUCH DAMAGE.
81 *
82 * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
83 */